gtleviathan
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- Joined
- Dec 2, 2006
- Messages
- 23,995
Emily Post says you're wrong. You have the option to drop a suffix after a death but nobody changes from one suffix to another.Thurston Howell III implies that Thurston Howell Sr and Thurston Howell Jr (or II) are both still alive.
https://emilypost.com/advice/mens-names-and-titles
A man with the same name as his father uses “Jr.” after his name as long as his father is alive. His father may use the suffix “Sr.” for “senior.” The son may either drop the suffix after his father’s death or, if he prefers, retain it so that he won’t be confused with his late father.